| 1. | Cracks can be detected by a method using ultrasonic waves .
疵点可用超声波方法检测。 |
| 2. | Development of testing stress device by lcr ultrasonic wave
超声波应力仪的研制 |
| 3. | Experimental study on ultrasonic wave absorption of animal cranium
动物颅骨对超声波的吸收率 |
| 4. | If you ' ve ever seen ultrasonic waves
如果你们在探索频道上看过 |
| 5. | A simple method for liquid level measurement using ultrasonic waves
利用超声波实现液位测量的简单方法 |
| 6. | Study on enhancing fine coal desulfurization by flotationwith ultrasonic wave
超声波强化煤泥浮选脱硫研究 |
| 7. | Effect of ultrasonic waves on the rheological behavior of polymer solution
超声波对聚合物溶液流变性的改变 |
| 8. | Study on improving biodegradability of wastewater by ultrasonic wave
利用超声波辐射提高废水可生化性试验研究 |
| 9. | Research on coal flotation by coaction of reagents and ultrasonic wave treatment
药剂与超声波处理的选煤方法研究 |
| 10. | Ultrasonic wave fire detector
超声波火灾探测器 |
